Top Cast
John Baragrey
Dr. Henry Spensser
Mala Powers
Anne Spensser
Otto Kruger
Dr. William Spensser
Robert Hutton
Dr. John Robert Carrington
Ross Martin
Dr. Jeremy 'Jerry' Spensser
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Ed Wolff
The Colossus
Charles Herbert
Billy Spensser
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Dick Nelson
Charles - Chauffeur-Butler
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Roy Engel
Police Inspector
Charles Sherlock
Airline Pilot
